import pandas as pd
list = [[110, 120, 105], [95, 110, 108], [98, 80, 100], [112, 106, 97]]
index = ['王蒙', '李珊', '赵胜', '刘文']
columns = ['语文', '数学', '英语']
df = pd.DataFrame(list, index, columns)
print(df)
df.loc['王琳']=[90,100,80]
print(df)
df.insert(2,'',[85,88,70,73,77])
print(df)
